Beginning in middle age and continuing through later adulthood, individuals are often motivated by events in their own lives or the lives of significant others to obtain health-related information.^^ Health-related concerns draw many adults into a new domain of science learning. At the same time, with retirement, older adults have more time to devote to personal interests. Their science learnmg addresses long-standing scientific interests as well as new areas of interest.^^
Adults differ fr...

THE MAGNA CORTICA
ORIGINAL TENETS
(DATE UNKNOWN BUT BEFORE BF 80)
I. Self knowledge. Sapient beings have the right to know whether they’ve been mentally modified.
II. Self-modification. Sapient beings have the right to pursue self-modification.
III. Refusing modification. They also have the right to refuse it.
IV. Modification (or not) of progeny. Sapient beings have the right to modify—or not—their own progeny.
V. Knowledge of who has been modified or selfupgraded. Polities and ...

There is one person whose wants and needs you routinely ignore, opting instead to tend to your own immediate desires, and that person is future you. When it comes to making decisions that will have some effect on your long-term health or happiness — for example, whether or not to go to the gym today, in keeping with your New Year’s resolution — current you is always finding a new way to steal from future you. It’s time the two yous got better acquainted.
This concept in itself may n...

Social behaviors are often contagious, spreading through a population as individuals imitate the decisions and choices of others. A variety of global phenomena, from innovation adoption to the emergence of social norms and political movements, arise as a result of people following a simple local rule, such as copy what others are doing. However, individuals often lack global knowledge of the behaviors of others and must estimate them from the observations of their friends' behaviors. In some ...